Home » Test Prep » PSAT Test » Which set of sides could make a right triangle?
Which set of sides could make a right triangle?
A. 4, 6, 9
B. 10, 12, 16
C. 6, 7, 8
D. 9, 12, 15
Correct Answer: D
Explanation/Reference:
Explanation:
By virtue of the Pythagorean Theorem, in a right triangle the sum of the squares of the smaller two sides equals the square of the largest side. Only 9, 12, and 15 fit this rule.
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